1150205099 has 16 divisors (see below), whose sum is σ = 1186562304. Its totient is φ = 1114495200.

The previous prime is 1150205039. The next prime is 1150205129. The reversal of 1150205099 is 9905020511.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1150205099 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1150205039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1822514 + ... + 1823144.

It is an arithmetic number, because the mean of its divisors is an integer number (74160144).

Almost surely, 2^1150205099 is an apocalyptic number.

1150205099 is a deficient number, since it is larger than the sum of its proper divisors (36357205).

1150205099 is a wasteful number, since it uses less digits than its factorization.

1150205099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058.

The product of its (nonzero) digits is 4050, while the sum is 32.

The square root of 1150205099 is about 33914.6738005837. The cubic root of 1150205099 is about 1047.7518335504.

The spelling of 1150205099 in words is "one billion, one hundred fifty million, two hundred five thousand, ninety-nine".